package com.chenyue.cm.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringUtils implements ApplicationContextAware {

	private Logger logger = LoggerFactory.getLogger(SpringUtils.class);
	
	public static ApplicationContext context = null;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext)
			throws BeansException {
		logger.debug("set application context ===> "+applicationContext);
		context = applicationContext;
	}

	public static Object getBean(String beanName) throws BeansException {
		return context.getBean(beanName);
	}

	public static <T> T getBean(Class<T> clazz) throws BeansException  {
		return (T)context.getBean(clazz);
	}
	
	

    //获取applicationContext    
    public static ApplicationContext getApplicationContext() {    
        return context;    
    }    
  
  
    //通过name,以及Clazz返回指定的Bean    
    public static <T> T getBean(String name,Class<T> clazz){    
        return getApplicationContext().getBean(name, clazz);    
    }    
	
}